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Author Call, J.; Tomasello, M. doi  openurl
  Title Use of social information in the problem solving of orangutans (<em>Pongo pygmaeus</em>) and human children (<em>Homo sapiens</em>) Type Journal Article
  Year 1995 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.  
  Volume 109 Issue 3 Pages 308-320  
  Keywords cross species imitative learning in problem solving, human 3–4 yr olds vs orangutans  
  Abstract Fourteen juvenile and adult orangutans and 24 3- and 4-yr-old children participated in 4 studies on imitative learning in a problem-solving situation. In all studies a simple to operate apparatus was used, but its internal mechanism was hidden from subjects to prevent individual learning. In the 1st study, orangutans observed a human demonstrator perform 1 of 4 actions on the apparatus and obtain a reward; they subsequently showed no signs of imitative learning. Similar results were obtained in a 2nd study in which orangutan demonstrators were used. Similar results were also obtained in a 3rd study in which a human encouraged imitation from an orangutan that had previously been taught to mimic arbitrary human actions. In a 4th study, human 3- and 4-yr-old children learned the task by means of imitation. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  
  Address  
  Corporate Author Thesis  
  Publisher US: American Psychological Association Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1939-2087 (Electronic); 0735-7036 (Print) ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Equine Behaviour @ team @ 1995-42883-001 Serial 5448  
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Author Russon, A.E.; Galdikas, B.M.F. doi  openurl
  Title Constraints on great apes' imitation: Model and action selectivity in rehabilitant orangutan (Pongo pygmaeus) imitation Type Journal Article
  Year 1995 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.  
  Volume 109 Issue 1 Pages 5-17  
  Keywords *Imitation (Learning); Primates (Nonhuman)  
  Abstract We discuss selectivity in great ape imitation, on the basis of an observational study of spontaneous imitation in free-ranging rehabilitant orangutans (Pongo pygmaeus). Research on great ape imitation has neglected selectivity, although comparative evidence suggests it may be important. We observed orangutans in central Indonesian Borneo and assessed patterns in the models and actions they spontaneously imitated. The patterns we found resembled those reported in humans. Orangutans preferred models with whom they had positive affective relationships (e.g., important caregiver or older sibling) and actions that reflected their current competence, were receptively familiar, and were relevant to tasks that faced them. Both developmental and individual variability were found. We discuss the probable functions of imitation for great apes and the role of selectivity in directing it. We also make suggestions for more effective elicitation of imitation. (PsycINFO Database Record (c) 2012 APA, all rights reserved)  
  Address  
  Corporate Author Thesis  
  Publisher American Psychological Association Place of Publication Us Editor  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1939-2087(Electronic);0735-7036(Print) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ 1995-20268-001 Serial 5690  
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Author Laughlin N.K.; Lasky R.E.; Luck M.L.; Kluender K.R.; Hecox K.E. doi  openurl
  Title Early lead exposure alters behavioral and electrophysiological indices of auditory processing in the rhesus monkey Type Journal Article
  Year 1995 Publication Neurotoxicology and Teratology Abbreviated Journal  
  Volume 17 Issue Pages 374-374  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3456  
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Author Beer C.G. doi  openurl
  Title Trial and error in the evolution of cognition Type Journal Article
  Year 1995 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 35 Issue Pages 215-224  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3455  
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Author Gärdenfors P. doi  openurl
  Title Cued and detached representations in animal cognition Type Journal Article
  Year 1995 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 35 Issue Pages 263-273  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3454  
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Author i Rios, J.F.; Houpt, K. doi  openurl
  Title Sexual behavior in geldings Type Journal Article
  Year 1995 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 46 Issue 1-2 Pages 133-135  
  Keywords  
  Abstract Abstract

In response to a request published in Equus, a magazine for those interested in horses, 85 owners of older geldings exhibiting sexual behavior completed history forms. The mean age of geldings was 16 f 5 years. Only 39 of the owners had had the gelding for at least a year before the behavior was noted. These cases could be used to determine the true age of onset of the problem. When log survivorship was used to determine whether there were one or two different populations, a break or change in the slope at age 16 indicated that there are two populations. One population shows the behavior from the time of castration and the other first exhibits the behavior in old age, possibly in response to an ACTH secreting pituitary adenoma. A total of 40% of the horses were Quarterhorses, the most numerous breed in the US; 78% of the horses were purebreds. Fewer than half the owners knew the age at which their horse had been castrated because they did not own the horse at the time.

The mean age at castration, when known, was 3.3 f 2.5 years. The reason for contacting us was sexual behavior (70%), aggression (24%). or some other problem ( 1 o/o). Whether or not aggression was the presenting problem, most of the horses showed aggression (95%), particularly towards other geldings (88%)) but also towards people (3 1%). Copulatory behavior (mounting) was shown by 69% of the geldings and half of those were able to intromit. These findings indicate that the sexual behavior of geldings is a problem for owners and that aggression usually accompanies sexual behavior.

The owners were encouraged to send serum samples taken before and after human chorionic gonadotropin (HCG) administration for testosterone and estrone sulfate analysis to determine whether residual testicular tissue was responsible for the horse’s behavior. Of the 14 horses tested, only one had elevated levels of testosterone indicating that there was residual testicular tissue. A total of six of the owners agreed to treat their horses with cyproheptadine at a dose of 8 mg day- ’ gradually increased to 88 mg day- ’ per horse. A total of three of the horses showed a decline in sexual and aggressive behavior, one got worse and two had side effects and treatment was withdrawn.
 
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  Call Number Equine Behaviour @ team @ Serial 3627  
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Author Anderson B. doi  openurl
  Title Dendrites and cognition: A negative pilot study in the rat Type Journal Article
  Year 1995 Publication Intelligence Abbreviated Journal  
  Volume 20 Issue Pages 291-308  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 3453  
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Author Kasuya,Eiiti doi  openurl
  Title A randomization test for linearity of dominance hierarchies Type Journal Article
  Year 1995 Publication Journal of Ethology Abbreviated Journal J. Ethol.  
  Volume 13 Issue 1 Pages 137-140  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4288  
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Author PITRA, C.H.; STREICH, W.J.; REINSCH, A.; FICKEL, J. openurl 
  Title Die Population des Somali-Wildesels (Equus africanus somalicus Sclater) in menschlicher Obhut: Demographische und genetische Aspekte Type Journal Article
  Year 1995 Publication Zoologische Garten Abbreviated Journal Zool. Garten.  
  Volume N.F. 65 Issue 4 Pages 245-257  
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  Notes Approved no  
  Call Number Serial 1472  
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Author Maddock, L. isbn  openurl
  Title The “migration” and grazing succession Type Book Chapter
  Year 1995 Publication Serengeti: Dynamics of an Ecosystem Abbreviated Journal  
  Volume Issue Pages  
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  Abstract Editorial Reviews

Book Description

Originally published in 1979, Serengeti: Dynamics of an Ecosystem was immediately recognized as the first synthesis of the patterns and processes of a major ecosystem. A prototype for initial studies, Serengeti contains baseline data for further and comparative studies of ecosystems. The new Serengeti II builds on the information presented originally in Serengeti; both books together offer essential information and insights for ecology and conservation biology.
 
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  Publisher University Of Chicago Press Place of Publication Chicago Editor Sinclair, A.R.E. ; Norton-Griffiths, A.R.E.  
  Language Summary Language Original Title Serengeti: Dynamics of an Ecosystem  
  Series Editor Series Title Abbreviated Series Title  
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  ISSN ISBN 978-0226760292 Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2343  
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